diff --git a/test/browser/spec/ol/style/expressions.test.js b/test/browser/spec/ol/style/expressions.test.js
index fad983292e..caabe63156 100644
--- a/test/browser/spec/ol/style/expressions.test.js
+++ b/test/browser/spec/ol/style/expressions.test.js
@@ -251,7 +251,7 @@ describe('ol.style.expressions', function () {
         '(10.0 == a_attr4)'
       );
       expect(expressionToGlsl(context, ['==', 'red', ['get', 'attr4']])).to.eql(
-        '(0.0 == a_attr4)'
+        `(${stringToGlsl(context, 'red')} == a_attr4)`
       );
       expect(expressionToGlsl(context, ['!=', 10, ['get', 'attr4']])).to.eql(
         '(10.0 != a_attr4)'